Misc: Who is the only singer to have no. 1 hits in the 50's, 60's, 70's, 80's and 90's?

Questions

Where is Britains tallest nave?

Who did a series of paintings of young men and light reflecting on water?

Who tied a yellow ribbon round an old oak tree?

What is written defamation called?

What is the name of the Pyrenean nation between France and Spain?